
Product Description
An online checkweigher checks the weight of individual packaged products as they move along a conveyor. A weighing sensor sends each measurement to the controller, which compares it with configured limits; where supplied and configured, a reject system diverts packs outside those limits. This equipment is for line-side pack verification, not a universal solution for weighing loose bulk material.
Practical accuracy and throughput depend on pack size and stability, spacing, conveyor speed, vibration, product movement inside the pack, calibration and line integration. Available HMI functions such as product settings, batch data, reports or user access should be confirmed for the proposed configuration. Share pack format, weight range, allowable limits, line speed and sample packs for assessment.
Product Details
- Three phase electrical motor. (Crompton/ ABB make)
- Gearbox. (Elecon/ Padam/ Premium/ Classic make)
- Electronic Control Panel.
- Belt Conveyor.
- HMI screen for controlling.
- Digital display system.
- Structure of Heavy-Duty Mild-Steel material.
- Pneumatically Controlled system.
- Weighing Sensors.
- Over & underweight bar type rejection System.
How an online checkweigher works
An online checkweigher checks individual packaged products as they pass through a weighing zone. The controller compares each measured weight with the product limits set for the line. The sequence and reject operation depend on the supplied configuration and line integration.
- Present each pack to the weighing conveyor with suitable spacing and stable movement.
- The weighing sensor measures the pack as it crosses the weighing section.
- The controller compares the result with the configured product limits.
- Where a reject system is supplied and enabled, it diverts packs outside those limits using the configured reject method.
- Assess the result with representative packs at the intended line conditions before confirming performance.
Main components and their roles
- Belt conveyor, motor and gearbox: move packs through the weighing zone at the configured speed.
- Weighing sensors and control panel: measure the passing pack and process its weight against the selected limits.
- HMI and digital display: provide operator controls and information; exact functions depend on the supplied configuration.
- Pneumatic, bar-type rejection system: the current product list identifies pneumatic control and over/underweight rejection. Confirm reject timing, air requirements and interface for the proposed line.
- Machine frame: the current product list specifies a heavy-duty mild-steel structure; confirm the final construction and finish against the approved quotation.
Information for a configuration review
Share pack type and dimensions, minimum/target/maximum weight and limits, required packs per minute, pack spacing and stability, conveyor height and direction, available line space, electrical supply, compressed-air availability and representative packs. Practical accuracy and throughput depend on the pack and line conditions, so they should be evaluated together.
Frequently Asked Questions
What affects checkweigher accuracy?
Pack stability, belt speed, vibration, air movement, pack spacing, product movement inside the pack and correct calibration all affect the result.
Can pack weight alone guarantee accuracy?
No. Representative packs and actual line conditions should be evaluated before a final commitment.
What should I share for assessment?
Pack format and dimensions, weight range and limits, required line speed, conveyor details, available utilities and representative packs help assess the configuration.
Will it suit every pack and line?
No. Pack size, stability, spacing, speed and conveyor integration affect suitability. Review sample packs and the intended line conditions before confirming the system.
Discuss your checkweigher requirement: Share the pack type and dimensions, target weight or acceptable range if known, required line speed, and representative packs so the system can be assessed against actual line conditions. Contact Thermocare, call +91 79916 56592 or +91 96705 15151, or WhatsApp either number: +91 79916 56592 / +91 96705 15151.

